MLA

Kissinger, Henry, 1923-2023. Roo. Box 56, folder 8. 2002. https://collections.library.yale.edu/catalog/12481665.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 56, folder 8"])(2002)[Roo]. https://collections.library.yale.edu/catalog/12481665.